PARTIAL CONTENTS. (1913). Reinforced concrete inverted siphon carrying main distributary canal. Concrete structures nos. 7 and 11. Lightest bridge. Details of standard bucket and of concrete balance weights for radial gates. Combination check and drop for two head ditch. Gate structure for one head ditches. Combination headgate and drop. Reinforced concrete highway bridge carrying improved country road. (1914). Detail plan of inverted siphon carrying U branch canal under Southern Pacific Railroad. Reinforced concrete inlet and outlet and of four types of substructure. (1915). Detail plan of headworks, Ripon spillway. (1916). Plans for reinforced concrete conduit over Little John Creek for Frankenheimer Service.